Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 K7b7 draw
3 K8b7 draw
4 K8b8 draw
5 Ra4 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb7 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 K7b8 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Rb6 loss in 1 half-moves
18 Rb8 loss in 1 half-moves
19 Rf4 loss in 1 half-moves
20 Rh4 loss in 1 half-moves